Shell of a sea snail; Gevoornde Belhoorn. / Tonne; Shell of a sea snail. Numbered top right: 13. Part of the sixth album with drawings of fish; shells and insects. Sixth of twelve albums with drawings of animals; birds and plants known around 1600; commissioned by Emperor Rudolf II. With explanations in Dutch; Latin and French; molluscs (shell; snail-shell etc.); Anselmus Boetius de Boodt; 1596 - 1610; paper; pencil; chalk; watercolor (paint); deck paint; brush; h 121 mm 脙鈥?w 106 mm